164715293 has 2 divisors, whose sum is σ = 164715294. Its totient is φ = 164715292.

The previous prime is 164715277. The next prime is 164715301. The reversal of 164715293 is 392517461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135792409 + 28922884 = 11653^2 + 5378^2 .

It is a cyclic number.

It is not a de Polignac number, because 164715293 - 2⁴ = 164715277 is a prime.

It is a super-2 number, since 2×164715293² = 54262255496151698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164715223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82357646 + 82357647.

It is an arithmetic number, because the mean of its divisors is an integer number (82357647).

Almost surely, 2^164715293 is an apocalyptic number.

It is an amenable number.

164715293 is a deficient number, since it is larger than the sum of its proper divisors (1).

164715293 is an equidigital number, since it uses as much as digits as its factorization.

164715293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 164715293 is about 12834.1455890137. The cubic root of 164715293 is about 548.1650063870.

The spelling of 164715293 in words is "one hundred sixty-four million, seven hundred fifteen thousand, two hundred ninety-three".